The handbag mechanism can be interpreted as Feynman's end-point mechanism [1]}. As we said above the
handbag mechanism is restricted to the kinematical situation where all three Mandelstam variables are sufficiently
large compared to the hadronic scale \(\Lambda ^2\) . It is, however, conceivable that in the asymptotic regime of
very large Mandelstam variables the hard perturbative mechanism [2]}, [3]}, for which all partons inside the
nucleon participate in the hard process, dominates. Since each additional parton requires one more hard gluon to
be exchanged, the higher Fock components of the nucleon are suppressed by inverse powers of \(s\)  compared to the
valence Fock component. This is to be contrasted with the handbag mechanism where there is only one active parton.
All other partons inside the nucleon are spectators and the summation goes over all Fock components.
Thus, it appears to be plausible that the handbag mechanism provides a larger contribution
than the hard perturbative mechanism at least at large but not asymptotically large Mandelstam variables.
Indeed the latter mechanism provides results for form
factors and WACS which are way below experiment if evaluated from plausible DAs. A calculation of wide-angle
photoproduction within that approach has only attempted once [4]}. The results are at drastic variance
with experiment [5]} and need verification since the applied integration method is questionable and
is known to fail for WACS [6]}, [7]}.
